cluegun is a simple pastebin
application based on Rocky Burt’s ClueBin. It demonstrates form
processing, security, and the use of ZODB within a Pyramid
application. Check this application out via:

git clone git://github.com/Pylons/cluegun.git

virginia is a very simple dynamic
file rendering application. It is willing to render structured text
documents, HTML documents, and images from a filesystem directory.
It’s also a good example of traversal. An
earlier version of this application runs the repoze.org website. Check this application out via:

git clone git://github.com/Pylons/virginia.git

shootout is an example “idea
competition” application by Carlos de la Guardia and Lukasz Fidosz. It
demonstrates URL dispatch, simple authentication, integration
with SQLAlchemy and pyramid_simpleform.
Check this application out of version control via:

git clone git://github.com/Pylons/shootout.git

KARL is a moderately-sized application (roughly
80K lines of Python code) built on top of Pyramid. It is an open
source web system for collaboration, organizational intranets, and knowledge
management. It provides facilities for wikis, calendars, manuals, searching,
tagging, commenting, and file uploads. See the KARL site for download and installation details.